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CaHeK987 [17]
3 years ago
10

Teresa is maintaining a camp fire. She can keep the fire

Mathematics
3 answers:
storchak [24]3 years ago
8 0

Answer:

27 logs

Step-by-step explanation:

<u><em>4hrs = 6 logs</em></u>

<u><em></em></u>

<u><em>18hrs= ?x</em></u>

<u><em></em></u>

<u><em>Then you cross multiply.</em></u>

<u><em>so,18x6= 4x</em></u>

<u><em /></u>

<u><em>4x/4=108/4</em></u>

x=27 logs

Blababa [14]3 years ago
8 0

<u>27 logs</u> does Teresa need to maintain the fire

for 18 hours.

Solution given:

4 hours=6 logs

1 hours =6/4 =3/2 logs

now

18 hours=3/2*18=3*9=27 logs

so

value of y is 27 logs

Eduardwww [97]3 years ago
8 0

<u>27 logs</u> that Teresa needs to maintain the fire

for 18 hours.

Solution given:

4 hours=6 logs

1 hours =6/4 =3/2 logs

now

18 hours=3/2*18=3*9=27 logs

so

value of y is 27 logs

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Garden A has 9 more currant bushes than Garden B. If 3 currant bushes are transplanted from Garden B to Garden A, then Garden A
marusya05 [52]

Answer:

42

Step-by-step explanation:

Let x = the original number of bushes in garden A

Let x-9 = the original number of bushes in garden B

x-9-3=x-12 = bushes in garden B after transplanting 3

x+3 = bushes in garden A after transplanting 3

x+3=1.5(x-12)

x+3=1.5x-18

0.5x=21

x=42

There were 42 current bushes in garden A

3 0
3 years ago
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Ronch [10]
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7 0
3 years ago
6) Alberto invests $8,534 in a retirement
ludmilkaskok [199]

Answer:

  17 years

Step-by-step explanation:

The compound interest formula is ...

  A = P(1 +r/n)^(nt)

where P is the principal invested at annual rate r, compounded n times per year for t years.

Filling in the numbers and solving for t, we find ...

  16826.03 = 8534(1 +.04/12)^(12t)

  16826.03/8534 = 1.0033333...^(12t)

Taking logs, we have ...

  log(16826.03/8534) = 12t·log(1.0333333...)

Dividing by the coefficient of t gives ...

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It will take 17 years for the account balance to reach $16,826.03.

6 0
3 years ago
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Chelsey wants to join a fitness club. The fitness club charges an initial membership fee of $55 and a monthly fee of $19.50. She
Kay [80]
So if you have to pay 55 out front and then continue to pay 19.50 monthly the equation will look like this:
19.50*m + 55 = x
(M stands for month)
She has 250 dollars to spend so add that in for x
<span>19.50*m + 55 = 250. 
Use inverse operations.
250-55 and 55-55
19.50*m = 195
195/19.50 and 19.50/19,50
m=10
Your answer is 10</span>
4 0
3 years ago
If f(3) = 15 and f(5) = 45, which of the following could be f(x)?
Katen [24]
F(x) = 2x² - x
f(3) = 2(3)² - 3
f(3) = 2(9) - 3
f(3) = 18 - 3
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f(x) = 2x² - x
f(5) = 2(5)² - 5
f(5) = 2(25) - 5
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The answer is C.
5 0
3 years ago
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